AMS1117-3.3 LDO Step-Down Module – 800mA DC 5V to 3.3V Power Supply Regulator

The AMS1117-3.3 LDO Step-Down Module is a compact voltage regulator module that converts higher input voltages (up to 15V) down to a stable 3.3V DC output. Built around the popular AMS1117-3.3 voltage regulator IC, this module is ideal for powering 3.3V logic level microcontrollers, sensors, ESP8266, ESP32, and other embedded electronics that require regulated power with low noise and reliable performance.

With a maximum output current of up to 800mA, this module is suitable for many low-power applications. It features onboard capacitors for stable voltage output, and the 3-pin header makes it easy to integrate into breadboards or PCB circuits for prototyping or production. Whether you’re working with Arduino, STM32, or Raspberry Pi peripherals, this module ensures your components are supplied with safe and steady 3.3V.

🔧 Key Features

• Step-down voltage regulator with AMS1117-3.3 IC
• Input voltage range: 4.5V to 15V DC
• Fixed 3.3V DC output voltage
• Supports up to 800mA output current
• Integrated filter capacitors for voltage stability
• 3-pin header for easy breadboard compatibility
• Compact form factor and lightweight design
• Low dropout voltage: ~1.1V typical
• Thermal overload and short circuit protection
• Ideal for Arduino, ESP, and 3.3V IoT devices

📐 Technical Specifications

📌 Applications

• Power supply for 3.3V microcontrollers
• IoT devices and development boards
• Arduino, ESP8266, ESP32 projects
• Sensor modules requiring 3.3V
• Breadboard prototyping

💡 Why Choose the AMS1117-3.3 LDO Module?

This step-down module offers a reliable and low-cost way to regulate voltage to 3.3V for various embedded projects. Whether you’re powering sensors, boards, or custom circuits, the AMS1117-3.3 LDO Module ensures safe and consistent power delivery, making it an essential tool for makers and developers.

📦 Package Includes

• 1 × AMS1117-3.3 LDO Step-Down Power Module